Draw and Simulate Finite States Machines (FSM)
Skyscrapersim Abandoned
OpenNum lets you distribute solvers with a nice graphical interface
A wireless push-type network simulator.
A macOS app to control the Xcode Simulator
Open Source EEG project to translate player's mind into a virtual game
Real-time interactive 3D graphics API for scientific simulations
Utility to show live progress, status & stats for running simulations
Modbus slave simulator
AVR simulator IDE
Portable OS X FOSS applications
Program to control vJoy / vXbox Device via keyboard, mouse, joystick.
A simulator for biological and physiological models
Simulate an epidemic like the Corona Pandemic and look at statistics
Antimony is a human-readable, human-writable model definition language
PySCeS Constraint Based Modelling
X-ray diffraction (XRD) analysis for hkl simulation of any crystal.